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moby--moby/integration-cli/docker_cli_daemon_plugins_test.go
Vincent Demeester 33968e6c7d
Remove pkg/integration and move it to testutil or integration-cli
Signed-off-by: Vincent Demeester <vincent@sbr.pm>
2016-12-30 18:26:34 +01:00

295 lines
9 KiB
Go

// +build linux
package main
import (
"os"
"os/exec"
"path/filepath"
"strings"
"syscall"
"github.com/docker/docker/integration-cli/checker"
"github.com/docker/docker/pkg/mount"
"github.com/go-check/check"
)
// TestDaemonRestartWithPluginEnabled tests state restore for an enabled plugin
func (s *DockerDaemonSuite) TestDaemonRestartWithPluginEnabled(c *check.C) {
testRequires(c, IsAmd64, Network)
s.d.Start(c)
if out, err := s.d.Cmd("plugin", "install", "--grant-all-permissions", pName); err != nil {
c.Fatalf("Could not install plugin: %v %s", err, out)
}
defer func() {
if out, err := s.d.Cmd("plugin", "disable", pName); err != nil {
c.Fatalf("Could not disable plugin: %v %s", err, out)
}
if out, err := s.d.Cmd("plugin", "remove", pName); err != nil {
c.Fatalf("Could not remove plugin: %v %s", err, out)
}
}()
s.d.Restart(c)
out, err := s.d.Cmd("plugin", "ls")
if err != nil {
c.Fatalf("Could not list plugins: %v %s", err, out)
}
c.Assert(out, checker.Contains, pName)
c.Assert(out, checker.Contains, "true")
}
// TestDaemonRestartWithPluginDisabled tests state restore for a disabled plugin
func (s *DockerDaemonSuite) TestDaemonRestartWithPluginDisabled(c *check.C) {
testRequires(c, IsAmd64, Network)
s.d.Start(c)
if out, err := s.d.Cmd("plugin", "install", "--grant-all-permissions", pName, "--disable"); err != nil {
c.Fatalf("Could not install plugin: %v %s", err, out)
}
defer func() {
if out, err := s.d.Cmd("plugin", "remove", pName); err != nil {
c.Fatalf("Could not remove plugin: %v %s", err, out)
}
}()
s.d.Restart(c)
out, err := s.d.Cmd("plugin", "ls")
if err != nil {
c.Fatalf("Could not list plugins: %v %s", err, out)
}
c.Assert(out, checker.Contains, pName)
c.Assert(out, checker.Contains, "false")
}
// TestDaemonKillLiveRestoreWithPlugins SIGKILLs daemon started with --live-restore.
// Plugins should continue to run.
func (s *DockerDaemonSuite) TestDaemonKillLiveRestoreWithPlugins(c *check.C) {
testRequires(c, IsAmd64, Network)
s.d.Start(c, "--live-restore")
if out, err := s.d.Cmd("plugin", "install", "--grant-all-permissions", pName); err != nil {
c.Fatalf("Could not install plugin: %v %s", err, out)
}
defer func() {
s.d.Restart(c, "--live-restore")
if out, err := s.d.Cmd("plugin", "disable", pName); err != nil {
c.Fatalf("Could not disable plugin: %v %s", err, out)
}
if out, err := s.d.Cmd("plugin", "remove", pName); err != nil {
c.Fatalf("Could not remove plugin: %v %s", err, out)
}
}()
if err := s.d.Kill(); err != nil {
c.Fatalf("Could not kill daemon: %v", err)
}
cmd := exec.Command("pgrep", "-f", pluginProcessName)
if out, ec, err := runCommandWithOutput(cmd); ec != 0 {
c.Fatalf("Expected exit code '0', got %d err: %v output: %s ", ec, err, out)
}
}
// TestDaemonShutdownLiveRestoreWithPlugins SIGTERMs daemon started with --live-restore.
// Plugins should continue to run.
func (s *DockerDaemonSuite) TestDaemonShutdownLiveRestoreWithPlugins(c *check.C) {
testRequires(c, IsAmd64, Network)
s.d.Start(c, "--live-restore")
if out, err := s.d.Cmd("plugin", "install", "--grant-all-permissions", pName); err != nil {
c.Fatalf("Could not install plugin: %v %s", err, out)
}
defer func() {
s.d.Restart(c, "--live-restore")
if out, err := s.d.Cmd("plugin", "disable", pName); err != nil {
c.Fatalf("Could not disable plugin: %v %s", err, out)
}
if out, err := s.d.Cmd("plugin", "remove", pName); err != nil {
c.Fatalf("Could not remove plugin: %v %s", err, out)
}
}()
if err := s.d.Interrupt(); err != nil {
c.Fatalf("Could not kill daemon: %v", err)
}
cmd := exec.Command("pgrep", "-f", pluginProcessName)
if out, ec, err := runCommandWithOutput(cmd); ec != 0 {
c.Fatalf("Expected exit code '0', got %d err: %v output: %s ", ec, err, out)
}
}
// TestDaemonShutdownWithPlugins shuts down running plugins.
func (s *DockerDaemonSuite) TestDaemonShutdownWithPlugins(c *check.C) {
testRequires(c, IsAmd64, Network, SameHostDaemon)
s.d.Start(c)
if out, err := s.d.Cmd("plugin", "install", "--grant-all-permissions", pName); err != nil {
c.Fatalf("Could not install plugin: %v %s", err, out)
}
defer func() {
s.d.Restart(c)
if out, err := s.d.Cmd("plugin", "disable", pName); err != nil {
c.Fatalf("Could not disable plugin: %v %s", err, out)
}
if out, err := s.d.Cmd("plugin", "remove", pName); err != nil {
c.Fatalf("Could not remove plugin: %v %s", err, out)
}
}()
if err := s.d.Interrupt(); err != nil {
c.Fatalf("Could not kill daemon: %v", err)
}
for {
if err := syscall.Kill(s.d.Pid(), 0); err == syscall.ESRCH {
break
}
}
cmd := exec.Command("pgrep", "-f", pluginProcessName)
if out, ec, err := runCommandWithOutput(cmd); ec != 1 {
c.Fatalf("Expected exit code '1', got %d err: %v output: %s ", ec, err, out)
}
s.d.Start(c, "--live-restore")
cmd = exec.Command("pgrep", "-f", pluginProcessName)
out, _, err := runCommandWithOutput(cmd)
c.Assert(err, checker.IsNil, check.Commentf(out))
}
// TestVolumePlugin tests volume creation using a plugin.
func (s *DockerDaemonSuite) TestVolumePlugin(c *check.C) {
testRequires(c, IsAmd64, Network)
volName := "plugin-volume"
destDir := "/tmp/data/"
destFile := "foo"
s.d.Start(c)
out, err := s.d.Cmd("plugin", "install", pName, "--grant-all-permissions")
if err != nil {
c.Fatalf("Could not install plugin: %v %s", err, out)
}
pluginID, err := s.d.Cmd("plugin", "inspect", "-f", "{{.Id}}", pName)
pluginID = strings.TrimSpace(pluginID)
if err != nil {
c.Fatalf("Could not retrieve plugin ID: %v %s", err, pluginID)
}
mountpointPrefix := filepath.Join(s.d.RootDir(), "plugins", pluginID, "rootfs")
defer func() {
if out, err := s.d.Cmd("plugin", "disable", pName); err != nil {
c.Fatalf("Could not disable plugin: %v %s", err, out)
}
if out, err := s.d.Cmd("plugin", "remove", pName); err != nil {
c.Fatalf("Could not remove plugin: %v %s", err, out)
}
exists, err := existsMountpointWithPrefix(mountpointPrefix)
c.Assert(err, checker.IsNil)
c.Assert(exists, checker.Equals, false)
}()
out, err = s.d.Cmd("volume", "create", "-d", pName, volName)
if err != nil {
c.Fatalf("Could not create volume: %v %s", err, out)
}
defer func() {
if out, err := s.d.Cmd("volume", "remove", volName); err != nil {
c.Fatalf("Could not remove volume: %v %s", err, out)
}
}()
out, err = s.d.Cmd("volume", "ls")
if err != nil {
c.Fatalf("Could not list volume: %v %s", err, out)
}
c.Assert(out, checker.Contains, volName)
c.Assert(out, checker.Contains, pName)
mountPoint, err := s.d.Cmd("volume", "inspect", volName, "--format", "{{.Mountpoint}}")
if err != nil {
c.Fatalf("Could not inspect volume: %v %s", err, mountPoint)
}
mountPoint = strings.TrimSpace(mountPoint)
out, err = s.d.Cmd("run", "--rm", "-v", volName+":"+destDir, "busybox", "touch", destDir+destFile)
c.Assert(err, checker.IsNil, check.Commentf(out))
path := filepath.Join(s.d.RootDir(), "plugins", pluginID, "rootfs", mountPoint, destFile)
_, err = os.Lstat(path)
c.Assert(err, checker.IsNil)
exists, err := existsMountpointWithPrefix(mountpointPrefix)
c.Assert(err, checker.IsNil)
c.Assert(exists, checker.Equals, true)
}
func (s *DockerDaemonSuite) TestGraphdriverPlugin(c *check.C) {
testRequires(c, Network, IsAmd64, DaemonIsLinux, overlay2Supported, ExperimentalDaemon)
s.d.Start(c)
// install the plugin
plugin := "cpuguy83/docker-overlay2-graphdriver-plugin"
out, err := s.d.Cmd("plugin", "install", "--grant-all-permissions", plugin)
c.Assert(err, checker.IsNil, check.Commentf(out))
// restart the daemon with the plugin set as the storage driver
s.d.Restart(c, "-s", plugin, "--storage-opt", "overlay2.override_kernel_check=1")
// run a container
out, err = s.d.Cmd("run", "--rm", "busybox", "true") // this will pull busybox using the plugin
c.Assert(err, checker.IsNil, check.Commentf(out))
}
func (s *DockerDaemonSuite) TestPluginVolumeRemoveOnRestart(c *check.C) {
testRequires(c, DaemonIsLinux, Network, IsAmd64)
s.d.Start(c, "--live-restore=true")
out, err := s.d.Cmd("plugin", "install", "--grant-all-permissions", pName)
c.Assert(err, checker.IsNil, check.Commentf(out))
c.Assert(strings.TrimSpace(out), checker.Contains, pName)
out, err = s.d.Cmd("volume", "create", "--driver", pName, "test")
c.Assert(err, checker.IsNil, check.Commentf(out))
s.d.Restart(c, "--live-restore=true")
out, err = s.d.Cmd("plugin", "disable", pName)
c.Assert(err, checker.NotNil, check.Commentf(out))
c.Assert(out, checker.Contains, "in use")
out, err = s.d.Cmd("volume", "rm", "test")
c.Assert(err, checker.IsNil, check.Commentf(out))
out, err = s.d.Cmd("plugin", "disable", pName)
c.Assert(err, checker.IsNil, check.Commentf(out))
out, err = s.d.Cmd("plugin", "rm", pName)
c.Assert(err, checker.IsNil, check.Commentf(out))
}
func existsMountpointWithPrefix(mountpointPrefix string) (bool, error) {
mounts, err := mount.GetMounts()
if err != nil {
return false, err
}
for _, mnt := range mounts {
if strings.HasPrefix(mnt.Mountpoint, mountpointPrefix) {
return true, nil
}
}
return false, nil
}